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chimerism |
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chimerism
[kimir′izəm] a state in bone marrow transplantation in which bone marrow and host cells exist compatibly without signs of graft-versus-host rejection disease. chimerism [ki´mer-izm] the state of being a chimera; the presence in an individual of cells of different origin.
chimerism the state of being a chimera; the presence in an animal of cells of different origin, e.g. XX/XY chimerism. blood chimerism twins that have a common circulation develop immune tolerance. Each of them is then a chimera. When the twins are of opposite sex, the female twin may be a freemartin. Sterilization of the female is brought about by the transfer of H-Y antigen to the female gonad. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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